@article{PMF_1911_22_1_a9,
     author = {Steinhaus, Hugo},
     title = {Kilka s{\l}\'ow o uog\'olnieniu poj\k{e}cia granicy},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {121--134},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1911},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1911_22_1_a9/}
}